Valve.



J. C. BREINL VALVE.

APPLICATION FILED MAY 24. 1916..

Patented Oct. 23

' FILE ID F/ES F/Ef

J00. IBBEINL, OF SAN FRANCISCO, CALIFORNIA.

' VALVE.

To all whom it may concern: Be it known that I, J osarn C. Bnamn, a

. subject of the Emperor of Austria, res1d flowing underneath the valveand raising ing at San Francisco,,in the county of San Francisco andState of California, have invented new and useful Improvements m Valves,of which the following is a specification.

The present inventionrelates to improvements in that class of valveswhich are raised from seats by thepressure of fluids them against astop, and the primary object of the invention is the provision of aguide plate, which, fastened to'a center bolt, and welded to the valveplate, assures the latter a lateral rigidity, and, by welding at pointson the marginal section between connecting arms, permits the lift of thevalve plate to be suflicientlyhlgh without unduly straining thematerial, and also which, by being disposed between the valve plate andthe stop p ate, serves as a cushion to reduce the force .ofthe impact atthe end of the lifting motion.

In the accompanying drawing, Figure 1 is a vertical section of one formof my mvention; Figs. 2, 3, land 5 are plan views of separate partsthereof; Figs. 6 and 7 are sectional views on the lines 6-6, 77respectively of Fig. 4: and Figs. 8, 9, 10, 11- and 12 are views similarto Figs. 1, 2, 3, land 5 respectively of another form of the invention.

On referring to the drawing, it will be seen that my improved valve 1comprises a valve seat V, a valve plate P, a combined ide and. .cush en,P ate (t, a st p P 8 all dfwhi ch arejeiranar; a bolt B screwed into thevalve seat, a washer'W on; said bolt between the valve seat and thevalve stop,

and a nut N on said bolt. A dowel pin D through the parts s, 'W and Vsecures the parts against relative rotation. The valve seat V, of knownform, has two c'oncentnc series of uniformly arranged seat openings 0and a small threaded central opening a to receive the bolt B. Theopenings of each series are separated from each 'other by ribs 1'. Thelower portions of said openings flare downwardly, as shown at Z. Restingupon the valve seat is a circular sheet metal valve plate P which isformed with a circular series of arcuate slots 8 registering with theparts ofthe seat between the two series of openings 0 therein, and witha large Specification of Letters Patent. 7

Application med May at, 1916. Serial no. eaeea' plates are surroundedwith lubricatiii cular series of arcuate slots f and with a smallcentral opening 9 to fit in a recess in Patented Oct. as, 1917, I

the washer W. It has also a circular' se-.

ries of openings h between the central openmg g and the arcuate slots fThe parts of the combined guide and cushion plate between these arcuateslots f and between the openings h'thus form armsa connecting thecentral and marginal portions ofthe guide plate. Said plate G is weldedto the valve plate P at pairs of points ;0 about midway between theouterportions'of the arms a. The arms a are arranged tangentially, and thisarrangement, together with the fact that the outer ends of'said arms,being connected-to the ring R midway between the welding oints p, canthemselves be raised from tlib valve plate P, permits the lift of thevalve to be very eat without undue'strain upon the materia bent by saidlifting.- The combined guide and cushion plate is given a permanent bendout of the plane of the plate in the parts of the ring etween the pointswhere said ring is connected to the guide and cushion plate and alsointhe arms a. This permanent bend provides a resilient connectionbetween the periphery and the center of the guide plate the flat surfaceof the valve plate and serves to cushion the valve at the end of itslifting motion and is interposed between the valve plate and the stopplateat the end of v the ascent of the valve plate, and this isparticularly the case because in operation the surfacesof'thevalve,,cushion and sto 011 which acts as a bufi'er on the surfacesw "ch approach each other. Since it is important to very carefullycenter the valve plate with reference to the' valve opening, and sincethe guide and cushion plate is made out of very thin material, the hubofsaid plate is,

as before referred to, centeredin a recess of the lift washer W, and forthe purpose of' centering the guide and cushion plate still moreaccurately itmay be welded to said washer. 7

The stop plate S which limits the rising movement of the valve,ispunched out of a sheet material, or is made of cast metal,

and is otherwise formed similarly to said.

arecorrespondingly formed except that the guide and cushion plate G isin the form of a ring R having a central hub it connected to said ringby tangentially extending arms a'.. Said guide and cushion plate G iswelded to the valve plate R at points p midway between the points ofconnection of the arms a and also at points a at the inner ends ofinward extensions 0 from the ring. This construction is adapted forlarger valves. In this case also, it is desirable to provide recesses'12 to receive coiled springs m which are of a strength suitable forclosing the valve on its seat. In this form of the invention the partsof the ring between the welded points p need not be permanently bent, asin the form of the invention first described, since it is not necessarythat the arms a and the parts of the ring R should have suflicientspring force to press the valve to its seat, but this is eflected by thecoiled springs :12.

I claim: 1 A valve comprising a valve seat, a valve plate thereon, aguide plate of spring material secured to the valve plate, a stop plate,and means connecting said valve seat and stop plate, the outer portionof the guide plate being secured to the valve plate at spaced pointsonly thereof and the central portion of the guide plate being secured tothe valve seat, said guide plate having parts connecting its central andmarginal portions and openings between said parts, said connecting partsbeing arranged obliquely to the marginal and central parts to permit ahigh hit of the valve plate from the valve seat. I

2. A' valve comprising a valve seat, a valve plate thereon, a'combinedguide and cushion plate of spring material secured to the valve plate, astop plate, means connecting said valve seat and stop plate, the outerportion of the guide plate being secured to the valve plate at spacedpoints only thereof and the central portion of the guide and cushionplate being secured to the valve seat, said guide plate having partsconnecting the central and marginal portions and openings between saidparts, and

the marginal portions between said spaced points being set out of theplane of the remainder to give said first-named marginal parts aninherent resiliency tending to close the valve plate upon the seatplate.

3. A valve, comprising a valve seat, a

valve plate, a stop plate, means connecting said valve seat and stopplate, and a cushioning guide plate of spring material com-' prising acentral portion secured to the valve seat, a peripheral rin attached atspaced points only to the va ve plate, and arms extending from thecentral portion'of the guide plate and connected with said ring at pomtsremote from its points of attachment to the valve plate, whereby saidarms move from the val've'plate with a lift- 1ng motion, and said guideplate serves as a cushion and insures a parallel opening movement andlateral rigidity of the valve.

4. A valve, comprising a valve seat, 'a valve plate, a stop plate, meansconnecting sald valve seat and stop plate, and a cushloning guide plateof spring material comprising a, central portion secured to the valveseat, a peripheral ring attached at spaced points only to the valveplate, and arms ex-' tending from the central portion of the guide plateand connected with said ring at points remote from its points ofattachment to the valve plate, whereby said arms move from the valveplate with a lifting motion out of the plane of the remainder to ivesaid lifting parts a spring tension ten ing to close the valve, and saidguide plate serves as a. cushion and insures a parallel opening movementand lateral rigidity of the valve.

5. A valve, comprising a valve seat, a valve plate, a stop plate, meansconnecting said valve seat and stop plate, a cushioning 1:3. guide plateof spring material comprising a central portion secured to the valveseat, a peripheral ring attached at spaced points only to the valveplate, and arms extending from the central portion of the guide plateand connected with said ring at points remote from its points ofattachment to the valve plate, whereby said arms move from the valveplate with alifting motion, and said guide plate serves as a cushion andin sures a parallel opening movement and lateral rigidity of the valve,and springs pressing against the cushioning guide plate.

6. A valve, comprising a valve seat, a valve plate, a stop plate, meansconnecting said valve seat and stop plate, and a cushioning guide plateof spring material comprising a central portion secured to the valveseat, a peripheral rin attached at spaced points only to the va veplate, and armsextending from the central portion of the guide plate andconnected with said ring at points remote from its points of attachmentto the valve plate, whereby parts of said peripheral ring disposedbetween the 1:5 :11 spaced points together with the connecting arms movefrom the valve plate with a lifting motion, and said guide plate servesas a cushion and insures a parallel opening movement and lateralrigidity of the valve.

7. A valve, comprising a, valve seat, a

valve plate, a stop plate, means connectmg said valve seat and stopplate, and a cushioning guide plate of spring material comprising acentral portion secured to the valve seat, a peripheral ring attachedat' spaced points only to the valve plate, and arms extending from thecentral portion of the guide plate and connected with said rin at pointsremote from its point of at tac ent to the valve plate, whereby parts ofsaid peripheral ring disposed between the spaced points together withthe connecting arms are set out of the plane of the remainder to givesaid lifting parts a spring tension .tendlng to close the valve, wherebythese lifting parts move from the valve plate with a lifting motion, andsaid guide.

plate serves as a cushion and insures a parallel opening movement andlateral ri-v gidity of the valve.

8. A valve, comprising a valve seat, a

valve plate, a stop plate, means connecting said'valve seat and stopplate, a cushioning guide plate of spring material comprising a centralportion secured to the valve seat, a peripheral ring attached at spacedpoints only to the valve plate, and armsextending gether with theconnectin arms move from v the valve plate with a li ing motion, andsaid guide plate serves asa cushion and msures a parallel openingmovement and lateral rigidity of the valve, and springs pressingagainst-the cushioning guide plate.

In testimony whereof I have hereunto set my hand in thepresence of twosubscribing witnesses. p JOSEPH C. BREINL. I

'Witnesses: F. M. WRIGHT,

' D. B. RICHARDS.

